Oki B4100 - Manual (Page 520)

40055101TH Rev.4 520 /
(2) The basic rotation cycle of the toner sensor is as follows:
B1.5 Cover Open
Opening the stacker cover turns off the microswitch on the high-voltage power supply board to suspend +5 V
supply to the high voltage power supply. This results in the stop of all high-voltage outputs. At the same time,
the CVOPN signal is issued to notify the main control board of the switch status and cover open processing
is executed.
Basic rotation cycle of toner sensor
T time
4.9 sec.
t1 > 1.2 sec.
1.2 sec. > t1 >
Toner low time
Toner full time